On the Galapagos Islands, the biodiversity includes land and marine iguanas. The marine iguana has a desalination system to remove excess salt from its body. The
marine iguana needs to do this to fulfil which Challenge of Life?
a) Getting and Using Energy
Ob) Maintaining Structure
c) Reproduction
NOD

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

the answer is definitely 36.

hope this : )